Kirkham, V. R. D. (1931). Snake River downwarp. Journal of Geology?.
Chicago Style (17th ed.) CitationKirkham, Virgil R. D. Snake River Downwarp. [Chicago?: Journal of Geology?, 1931.
MLA引文Kirkham, Virgil R. D. Snake River Downwarp. Journal of Geology?, 1931.
警告:這些引文格式不一定是100%准確.